Question about 1999 Jeep Wrangler

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My tj wrangler has no power its done 200,000klms ive had the injectors done new plugs new fuel filter and fuel pump 6litre cat extractors but it still has no power up hills also had the 02 sensors replaced on the scanner it doesnt show any faults

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Hi !
200,000 kms is a lot ...
all you need to do is put new piston rings.. this will increase the compression resulting in better performance.

Regards
Berry

Posted on Feb 02, 2010

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On a 2004 Jeep Wrangler 4.0 it take about 30 sec to start I put a fuel gauge and it takes a while for the fuel to reach 45 psi I have to cycle the key on n off about 4 times then it will start after i


a while? 1sec, 1min 1hr?



filter, packed,
where is gage sensor on rail.?
ever get a full tune up?:
the fsm is free here.
http://www.jeep4x4center.com/knowledge-base/index.htm?utm_source=cj#service
tj unlimited?
2 systems dead head or loop and is key to diagnosis.
looking now.,
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at 44 you key off the pressure must hold for 1/2 min. or you fail
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2 or 3 second pump runs, each key:?
see why?> unplug injectors see if leak down passes/?
all filters and socks in take, below pump

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the tank regulator has its own loop return feed back
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1 Answer

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1 Answer

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